Abstract
A temperature feasibility constraint is an important part of multistream heat exchanger (MSHE) modeling. However, temperature feasibility of an MSHE model makes a numerical issue when a physical property package is used to obtain highly accurate temperature-enthalpy relationships in equation-oriented modeling environment. To resolve the issue, this study proposes a new MSHE model with enthalpy feasibility using the fact that enthalpy is a monotonically increasing function of temperature. A natural gas liquefaction process, called a single mixed refrigeration process, is optimized using the proposed MSHE model under an equation-oriented modeling environment with a physical property package as a case study.
| Original language | English |
|---|---|
| Pages (from-to) | 81-88 |
| Number of pages | 8 |
| Journal | Computers and Chemical Engineering |
| Volume | 115 |
| DOIs | |
| Publication status | Published - 2018 Jul 12 |
All Science Journal Classification (ASJC) codes
- Chemical Engineering(all)
- Computer Science Applications
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Cite this
Tak, K., Kwon, H., Park, J., Cho, J. H., & Moon, I. (2018). A multistream heat exchanger model with enthalpy feasibility. Computers and Chemical Engineering, 115, 81-88. https://doi.org/10.1016/j.compchemeng.2018.03.023